18 Best Things to Do in Honolulu
2026年10月11日公開 · 9分で読めます · 18の観光スポット
Honolulu combines a cosmopolitan urban centre with dramatic volcanic ridges and world-famous Pacific beaches on the island of Oahu. While Caribbean destinations such as Anguilla, Antigua and Barbuda, or Aruba offer quiet beach escapes, Honolulu delivers a distinct mix of Hawaiian culture, historical landmarks, and modern city life. This guide highlights eighteen essential sights and activities to help first-time and returning visitors shape a balanced itinerary.
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1. Waikiki Beach
Stretching along Oahu's southern coast, Waikiki Beach is renowned for its calm turquoise waters, soft sand, and backdrop of Diamond Head. Visitors can take surf lessons, hire a paddleboard, or simply swim in the sheltered coastal waters. The beachfront promenade is ideal for evening strolls past oceanfront hotels and dining venues.
おすすめ理由: It is the iconic heart of Honolulu and the main hub for ocean activities.
ヒント: Arrive early in the morning to secure a prime spot on the sand before the afternoon crowds arrive.
アウトドアアクティビティ自然家族向け2. Pearl Harbor National Memorial
This historic site commemorates the events of 7 December 1941, which drew the United States into the Second World War. Visitors can explore informative museum exhibits, view historic artefacts, and board a shuttle boat to the USS Arizona Memorial built over the sunken battleship. Nearby, the Battleship Missouri and Pacific Aviation Museum offer further insights into Pacific military history.
おすすめ理由: It offers a solemn and essential look at twentieth-century global history.
ヒント: Reserve visitor passes online well in advance, as boat tickets to the USS Arizona Memorial sell out quickly.
歴史3. Diamond Head State Monument
This prominent volcanic tuff cone dominates the Honolulu skyline and offers one of the island's most famous hikes. The trail ascends via steep switchbacks, stairs, and a tunnel to reach WWII military bunkers at the summit. From the top, panoramic views sweep across Waikiki and the vast Pacific Ocean.
おすすめ理由: The short, invigorating hike rewards climbers with unmatched views of the city coastline.
ヒント: Out-of-state visitors must book park entry and parking reservations online prior to arriving.
アウトドアアクティビティ自然格安旅行4. Iolani Palace
Located in downtown Honolulu, Iolani Palace is the only official royal palace on United States soil. Built in 1882 by King Kalakaua, it served as the royal residence for the Hawaiian Kingdom's final monarchs until the monarchy was overthrown. Guided and self-guided audio tours take visitors through restored staterooms featuring grand woodwork, period furnishings, and crown jewels.
おすすめ理由: It provides irreplaceable context regarding Hawaii's unique royal lineage and political history.
ヒント: Book a guided tour rather than the self-guided audio option to gain deeper historical narrative from knowledgeable staff.
歴史5. Hanauma Bay Nature Preserve
Formed within a collapsed volcanic crater, Hanauma Bay is a protected marine life conservation district famous for snorkeling. The sheltered cove shelters a rich coral reef environment filled with tropical fish and green sea turtles. Before entering the beach area, visitors watch a brief educational video about reef conservation.
おすすめ理由: It is Oahu's premier destination for observing vibrant Hawaiian marine life in calm waters.
ヒント: Reservations open two days in advance online and fill within minutes, so set an alarm to secure a slot.
自然アウトドアアクティビティ家族向け6. Bernice Pauahi Bishop Museum
Founded in 1889, the Bishop Museum is the premier natural and cultural history institution in Hawaii. Its extensive collections include millions of Polynesian artefacts, royal heirlooms, and natural history specimens. Interactive exhibits detail the navigation techniques of early Polynesian voyagers and the geological origins of the islands.
おすすめ理由: It holds the world's largest collection of Hawaiian and Pacific cultural treasures.
ヒント: Plan to spend at least three hours here to properly explore both Hawaiian Hall and the planetarium.
歴史家族向け7. Honolulu Museum of Art
This serene institution features an impressive collection of Asian, European, and Hawaiian artwork housed around charming open-air courtyards. Highlights include traditional Japanese prints, European masters, and contemporary Pacific island works. The on-site open-air cafe serves fresh seasonal lunches.
おすすめ理由: It offers a peaceful artistic retreat from the energetic beach environment of Waikiki.
ヒント: Visit mid-week during lunch hours to enjoy the garden courtyards and cafe when it is least crowded.
歴史グルメ8. Chinatown Historic District
Situated on the western edge of downtown Honolulu, Chinatown is one of the oldest Chinatowns in North America. The neighbourhood features historic brick buildings filled with traditional herbalists, noodle shops, fish markets, and trendy art galleries. It is also a thriving hub for contemporary nightlife and creative regional dining.
おすすめ理由: It showcases Honolulu's rich multicultural heritage alongside its modern culinary scene.
ヒント: Explore during the morning for active fresh produce markets, or return on First Friday evenings for gallery walks.
グルメショッピング歴史9. Manoa Falls Trail
Located just a short drive from downtown, this accessible hiking trail leads through a lush rainforest valley to a dramatic waterfall. The path winds past giant bamboo groves, ancient eucalyptus trees, and tropical ferns. The waterfall drops into a natural pool surrounded by sheer basalt cliffs.
おすすめ理由: It delivers an authentic tropical rainforest hike within minutes of the urban centre.
ヒント: Wear sturdy footwear with good grip, as the trail is frequently muddy and slick after rainfall.
自然アウトドアアクティビティ10. Kapiolani Park
Spanning over three hundred acres at the eastern end of Waikiki, Kapiolani Park is Hawaii's oldest public park. It features expansive green lawns, historic banyan trees, walking paths, and picnic areas set beneath the backdrop of Diamond Head. The park also encompasses the Honolulu Zoo and an outdoor bandstand.
おすすめ理由: It is an expansive green sanctuary ideal for a casual stroll, picnic, or family afternoon.
ヒント: Head to the park on weekend mornings to catch local art shows and outdoor fitness gatherings.
アウトドアアクティビティ家族向け格安旅行11. Ala Moana Center
Ala Moana Center is the world's largest open-air shopping centre, featuring hundreds of shops, boutiques, and department stores. The open layout is decorated with lush tropical landscaping and koi ponds, allowing visitors to shop in the warm ocean breeze. The complex also houses an extensive international food court and numerous full-service restaurants.
おすすめ理由: It offers an unmatched retail and dining experience under the open sky.
ヒント: Take the local bus or trolley from Waikiki, as parking garages can become busy during peak afternoon hours.
ショッピンググルメ12. Shangri La Museum of Islamic Art, Culture & Design
Built in 1937 as the coastal estate of heiress Doris Duke, Shangri La houses an astonishing collection of Islamic art from across the Middle East and South Asia. The estate combines Spanish, Moorish, and Persian architectural styles overlooking the Pacific Ocean. Guided tours highlight tilework, carved wood, textiles, and built-in architectural elements.
おすすめ理由: It is an architectural masterpiece offering a unique intersection of global art and Hawaiian ocean views.
ヒント: Tours must be booked well in advance through the Honolulu Museum of Art website.
歴史ラグジュアリー13. Koko Head Crater Trail
This challenging hike follows an abandoned military railway line straight up the steep slope of Koko Head Crater. The route consists of over one thousand wooden railway ties functioning as a continuous set of steep stairs. The grueling ascent rewards persistent climbers with sweeping views of Hanauma Bay and the southeast coast.
おすすめ理由: It provides a tough workout and rewarding panoramic vistas for active travellers.
ヒント: Attempt this hike early in the morning before sunrise to avoid severe heat and intense sun exposure.
アウトドアアクティビティ自然格安旅行14. Foster Botanical Garden
Located near downtown Honolulu, this fourteen-acre garden is the oldest of the Honolulu Botanical Gardens system. It contains a collection of rare and mature tropical trees, some planted in the mid-nineteenth century. Visitors can walk peaceful shaded paths past orchids, pre-historic cycads, and massive heritage trees.
おすすめ理由: It provides a quiet oasis of historic trees and rare tropical flora in the middle of the city.
ヒント: Pick up a self-guided walking map at the entrance to locate the garden's designated exceptional trees.
自然格安旅行15. KCC Farmers Market
Held on the campus of Kapiolani Community College near Diamond Head, this vibrant weekly market showcases local agricultural produce and artisanal prepared foods. Stalls offer freshly cracked coconuts, island coffee, tropical fruits, and ready-to-eat dishes like grilled abalone or poke bowls. It is a favourite gathering spot for both residents and visitors.
おすすめ理由: It is the premier spot to sample local produce and street-food specialities in one place.
ヒント: Arrive right when the market opens in the morning to beat the long lines for popular food stalls.
グルメショッピング16. National Memorial Cemetery of the Pacific
Set inside Punchbowl Crater, an extinct volcanic tuff cone, this national cemetery serves as a final resting place for thousands of military personnel. The manicured grounds feature stone memorials, historic battle maps rendered in mosaic, and panoramic views of downtown Honolulu. It is a quiet place designed for reflection and respect.
おすすめ理由: It offers a moving tribute to military veterans set within a striking geological landscape.
ヒント: Maintain a respectful silence while exploring the memorial wall and crater lookouts.
歴史自然17. Harold L. Lyon Arboretum
Nestled deep in the Manoa Valley, this nearly two-hundred-acre research facility is managed by the University of Hawaii. The botanical garden features over seven thousand species of tropical plants set along quiet forest trails. It serves as an active center for Hawaiian plant conservation and ecological research.
おすすめ理由: It is ideal for plant enthusiasts looking for an uncrowded rainforest trail experience.
ヒント: Check weather forecasts before visiting, as Manoa Valley receives frequent rain showers throughout the day.
自然アウトドアアクティビティ18. Magic Island Lagoon
Magic Island is a man-made peninsula jutting out from Ala Moana Regional Park, featuring a protected ocean lagoon with calm waters. The area is surrounded by green lawns, walking paths, and shady trees that draw local families for picnics and water sports. It is also one of the best locations in the city for watching the sun set over the ocean.
おすすめ理由: It offers tranquil swimming and front-row sunset views away from the main Waikiki crowds.
ヒント: Pack a picnic dinner and arrive late in the afternoon to watch local outrigger canoe clubs practice off the reef.
アウトドアアクティビティ格安旅行家族向け
よくある質問
How many days should I spend in Honolulu?
Four to seven days is ideal for a first visit to Honolulu. This allows enough time to visit major historical sights like Pearl Harbor, climb Diamond Head, relax on Waikiki Beach, and take day trips to the North Shore or windward coast without feeling rushed.
How do I get around Honolulu without a car?
Honolulu has an extensive and reliable public bus system known as TheBus, which covers all major attractions across the city and island. Additionally, the Waikiki Trolley offers hop-on-hop-off routes for popular tourist destinations, while taxis and rideshare services are widely available.
What is the best time of year to visit Honolulu?
Spring (April to May) and autumn (September to November) offer the ideal balance of warm weather, pleasant ocean temperatures, and fewer crowds. Summer is warm and popular with families, while winter brings high ocean swells to the North Shore and peak holiday crowds to Waikiki.
Is Honolulu suitable for travellers on a budget?
While accommodation and dining can be expensive, Honolulu offers many budget-friendly activities. Public beaches, botanical gardens, coastal parks, and hiking trails like Manoa Falls are free or low cost, and affordable dining is readily available at local food trucks and farmers markets.
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